Magnetic shielding for maximum round 50mm diameter satin chrome cylinder. Protection of the cylinder by sliding armored plate driven by magnetic key This product met protecting the profile cylinder against breakage and drilling and anti-vandalism protection (glue, match, chewing gum ...) by the slide Improvement fixing the valve (closed position) by lugs to enhance the maximum possible safety system against tearing of the flap Possibility combination change by replacing the magnetic system without replacing all plates Performance: securing reassuring coded magnetic key release unfalsifiable High level of quality: machining of solid brass block cylinder diameter: 50 mm maximum valve closed Dimensions: 106 x 60 mm flip open Dimensions: 145 x 60 mm protection Color: satin chrome color key: satin chrome and black Comes with three keys and security card (for duplication of the key) Conditionement: Comes in the original packaging with instructions